Device for controlling high and low levels of a voltage-controlled power switch

A device for controlling a voltage-controlled switch, including two circuits respectively for setting to the high level and for setting to the low level a control terminal of the voltage-controlled switch, one at least of the circuits including a power transistor capable of connecting the control te...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: DULAU LAURENT, PONTAROLLO SERGE
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A device for controlling a voltage-controlled switch, including two circuits respectively for setting to the high level and for setting to the low level a control terminal of the voltage-controlled switch, one at least of the circuits including a power transistor capable of connecting the control terminal to a high, respectively low voltage, a bipolar control transistor having its emitter, respectively its collector, connected to the control terminal of the power transistor, the base of the control transistor being likely to receive a control current and a first diode connected between a first predetermined voltage smaller than the high voltage, and the base of the control transistor.